What Do Tubular Heaters Power Ratings Mean?
Tubular heaters are resistant heaters encased in round tubes often shaped for specific applications. The tube’s materials and casing protect the electric resistive heating elements inside the heater from damage and direct contact with fluids or other materials.
The tubular element conducts heat effectively from the resistive elements to the air or other material surrounding the tubular casing.
This effective transfer of heat without air contacting the surface of the resistive wire allows the heating element to operate at a fixed power output without burning the resistive elements; as a result, no oxidation takes place, and the voltage and current are isolated the surface of the casing.